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CATASTROPHE VERSUS INSTABILITY FOR THE ERUPTION OF A TOROIDAL SOLAR MAGNETIC FLUX ROPE
Berhard Kliem1,2,3,4; Lin J(林隽)1; Forbes, TG5; Priest, ER6; Torok, T7; Kliem, B (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
发表期刊ASTROPHYSICAL JOURNAL
2014-07
卷号789期号:1
DOI10.1088/0004-637X/789/1/46
产权排序第1完成单位
收录类别SCI
关键词Magnetohydrodynamics (Mhd) Sun: Corona Sun: Coronal Mass Ejections (Cmes) Sun: Flares Sun: Filaments Sun: Magnetic Fields Prominences
摘要The onset of a solar eruption is formulated here as either a magnetic catastrophe or as an instability. Both start with the same equation of force balance governing the underlying equilibria. Using a toroidal flux rope in an external bipolar or quadrupolar field as a model for the current-carrying flux, we demonstrate the occurrence of a fold catastrophe by loss of equilibrium for several representative evolutionary sequences in the stable domain of parameter space. We verify that this catastrophe and the torus instability occur at the same point; they are thus equivalent descriptions for the onset condition of solar eruptions.
项目资助者Chinese Academy of Sciences [2012T1J0017] ; DFG ; STFC ; NSF ; 973 Program [2013CB815103, 2011CB811403] ; NSFC [11273055, 11333007] ; CAS [KJCX2-EW-T07] ; Leverhulme Trust ; NASA's HTP program ; NASA's LWS program ; NASA's SRT program
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000338103400046
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CORONAL MASS EJECTIONS ; 2010 APRIL 8 ; ACTIVE REGIONS ; PROMINENCE ERUPTIONS ; TORUS INSTABILITY ; ELECTRIC-CURRENTS ; KINK INSTABILITY ; SUNSPOT ROTATION ; FIELD EVOLUTION ; EMERGING FLUX
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被引频次:40[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6248
专题太阳物理研究组
通讯作者Kliem, B (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Institute of Physics and Astronomy, University of Potsdam, Potsdam 14476, Germany
3.Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, UK
4.College of Science, George Mason University, Fairfax, VA 22030, USA
5.Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Durham, New Hampshire 03824, USA
6.School of Mathematics and Statistics, University of St Andrews, North Haugh, St Andrews KY16 9SS, UK
7.Predictive Science Inc., 9990 Mesa Rim Rd., Ste 170, San Diego, CA 92121, USA
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Berhard Kliem,Lin J,Forbes, TG,et al. CATASTROPHE VERSUS INSTABILITY FOR THE ERUPTION OF A TOROIDAL SOLAR MAGNETIC FLUX ROPE[J]. ASTROPHYSICAL JOURNAL,2014,789(1).
APA Berhard Kliem,Lin J,Forbes, TG,Priest, ER,Torok, T,&Kliem, B .(2014).CATASTROPHE VERSUS INSTABILITY FOR THE ERUPTION OF A TOROIDAL SOLAR MAGNETIC FLUX ROPE.ASTROPHYSICAL JOURNAL,789(1).
MLA Berhard Kliem,et al."CATASTROPHE VERSUS INSTABILITY FOR THE ERUPTION OF A TOROIDAL SOLAR MAGNETIC FLUX ROPE".ASTROPHYSICAL JOURNAL 789.1(2014).
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